Home / 40,456.16-60,694.32-12,754.16

Finding the Fourth Proportional to 40,456.16, 60,694.32 and 12,754.16

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Solution

The fourth proportional to 40,456.16, 60,694.32 and 12,754.16 is: 19,134.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,456.16 : 60,694.32 = 12,754.16 : x
  2. Step 2: Convert to fraction form
    40,456.16/60,694.32 = 12,754.16/x
  3. Step 3: Cross multiply
    40,456.16x = 60,694.32 × 12,754.16
  4. Step 4: Simplify right side
    40,456.16x = 774,105,068.37
  5. Step 5: Solve for x
    x = 774,105,068.37/40,456.16
  6. Step 6: Final answer
    x = 19,134.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.